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The Model 485B Thermo-Hygrometer is a versatile, compact, handheld instrument for measuring percentage of relative humidity and temperature in °F or °C. Dew point and wet bulb temperatures are derived from the relative humidity and temperature measurements and are displayed on the LCD.

Product Applications

• Building commissioning
• Pulp & paper

Features

• Compatible with Dwyer AP1 thermo-anemometer and VP1 100 mm vane thermoanemometer probes (sold separately)
• Hold feature to freeze current readings on the display
• Stores up to 99 readings for future evaluation

Specifications

• Measures % RH, Temperature, Dew Point and Wet Bulb
• Service : Humidity, temperature, wet bulb and dew point temperature detection in clean air
• Relative Humidity Range : 0 to 100% (non-condensing).
• Temperature Range : -20 to 140°F (-28 to 60°C).
• Temperature Accuracy : ±0.9°F @ 77°F (±0.5°C @ 25°C).
• Display : 4.5 digit LCD.
• Probe Length : 8˝
• Power Requirements : 9 V alkaline battery, included, user replaceable.

Models & Ordering